(2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

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Chemical Name:(2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate
CAS No.:1293921-69-3
Molecular Formula:C₂₂H₂₉NO₇
Molecular Weight:419.475
Hs Code.:

Synonyms:(2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

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Chemical Property of (2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

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Technology Process of (2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

There total 4 articles about (2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 80.0%

: 1293921-68-2
(2S,5R)-1-benzyl 2-ethyl 5-((4S,5R)-5-((R)-2-(tert-butyldimethylsilyloxy)-1-mesyloxyethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

: 1293921-69-3
(2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 - 20 ℃;
DOI:10.1016/j.carres.2010.12.022

Reference yield:

: 1268670-43-4
(3aR,3'S,4S,6R,6aR)-ethyl 6-((tert-butyldimethylsilyloxy)methyl)-2,2-dimethyldihydro-3aH-spiro[furo[3,4-d][1,3]dioxole-4,6'-tetrahydrooxazine]-3'-carboxylate

: 1293921-69-3
(2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: hydrogen; boric acid; nickel; magnesium sulfate / methanol / 4 h / Reflux

2: triethylamine / methanol / 8 h / 0 - 20 °C / Inert atmosphere

3: pyridine; dmap / 1.5 h / 0 °C / Inert atmosphere

4: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 20 °C

With pyridine; dmap; tetrabutyl ammonium fluoride; hydrogen; boric acid; nickel; magnesium sulfate; triethylamine; In tetrahydrofuran; methanol;
DOI:10.1016/j.carres.2010.12.022

Reference yield:

: 1293921-66-0
(2S,5R)-ethyl 5-((4S,5R)-5-((R)-2-(tert-butyldimethylsilyloxy)-1-hydroxyethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)pyrrolidine-2-carboxylate

: 1293921-69-3
(2S,5R)-1-benzyl 2-ethyl 5-((4S,5S)-2,2-dimethyl-5-((S)-oxiran-2-yl)-1,3-dioxolan-4-yl)pyrrolidine-1,2-dicarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: triethylamine / methanol / 8 h / 0 - 20 °C / Inert atmosphere

2: pyridine; dmap / 1.5 h / 0 °C / Inert atmosphere

3: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 20 °C

With pyridine; dmap; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; methanol;
DOI:10.1016/j.carres.2010.12.022